Tracking private planes is primarily achieved through ADS-B (Automatic Dependent Surveillance-Broadcast) technology, which is now mandatory for most aircraft. Pilots broadcast their GPS location, altitude, and speed to ground stations and satellites, and this data is picked up by a global network of enthusiast-operated receivers. Popular websites and apps like FlightAware and Flightradar24 aggregate this data for public viewing. While many high-profile individuals attempt to hide their tail numbers using programs like the FAA’s "Privacy ICAO Address" (PIA) or "Limited Aircraft Data Displayed" (LADD), dedicated flight trackers often use unblocked platforms like ADS-B Exchange, which does not filter out private or government data. These "uncensored" feeds allow anyone with a web browser to monitor the movement of billionaire jets, corporate fleets, and even military aircraft in real-time. This transparency has sparked significant debate in 2026 regarding the balance between public safety, environmental accountability, and the personal privacy of the ultra-wealthy.